Blue Bird · Canada · Crit
Blue Bird Vision Transit Bus, All American Non-School Bus +2 more: Brakes
Affects Blue Bird Vision Transit Bus, All American Non-School Bus, All American School Bus, Vision School Bus · 2007–2008 — about 61 vehicles.
The hazard
On certain school and transit buses, the internal rubber check valve inside the Bendix SR-7 spring brake modulating valve can become deformed over time. The effect of this defect is intermittent and presents a potential delay or failure in applying the parking brakes; potentially resulting in a vehicle roll away. Should this occur, the unattended roll away vehicle could strike a bystander or cause property damage. Correction: Dealers will install a check valve repair kit.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational